A crew works with freshly poured concrete on a driveway in Indianapolis. Driveway extension ideas for homeowners looking to extend or expand a concrete or asphalt driveway. You purchased a new RV or maybe your teenager started to drive. If your existing driveway doesn't provide enough room for any number of reasons, you may need to widen or extend your driveway to better suit your needs.
Vitamins are conventionally divided into the fat-soluble group A, D, E and K, and the water-soluble group, vitamin C (ascorbic acid) and the B vitamins-B 1 (thiamine), B 2 (riboflavine, riboflavin), nicotinic acid, B6 (pyridoxine), pantothenic acid, biotin, folic acid and B12.
A vitamin is an organic compound and an essential nutrient that an organism requires in limited amounts. An organic chemical compound is called a vitamin when the organism cannot synthesize the compound in sufficient quantities, and it must be obtained through the diet; thus, the term vitamin is conditional upon the circumstances and the particular organism. For example, vitamin C is a vitamin for humans, but not for most other animals that synthesize a sufficient quantity intermally. Vitamin D